19628686

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{647}}^1$

素因数の和:864

約数の個数: 32

約数和(自身を含む): 36951552

約数和(自身を除く): 17322866

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 197, 394, 647, 1294, 1379, 2167, 2758, 4334, 4529, 7117, 9058, 14234, 15169, 30338, 49819, 99638, 127459, 254918, 892213, 1402049, 1784426, 2804098, 9814343, 19628686]

約数ペア:

[(1, 19628686), (2, 9814343), (7, 2804098), (11, 1784426), (14, 1402049), (22, 892213), (77, 254918), (154, 127459), (197, 99638), (394, 49819), (647, 30338), (1294, 15169), (1379, 14234), (2167, 9058), (2758, 7117), (4334, 4529)]